Harry Tappen Marina — NY, United States
Tide times & tide chart
↑7:10am↓6:08pm
Predictions are not observations — conditions vary with weather and river flow. Not for navigation.
Slackwater predicts tides and currents offline, on your phone — tides worldwide, currents across the US and Canada.
Requires iOS 26 or later.
Tide times for the next 7 days
| Day | Tide | Time | Height |
|---|---|---|---|
| Mon 19 Oct 2026 | Low | 1.5 ft | |
| Mon 19 Oct 2026 | High | 6.2 ft | |
| Mon 19 Oct 2026 | Low | 1.8 ft | |
| Mon 19 Oct 2026 | High | 6.6 ft | |
| Tue 20 Oct 2026 | Low | 1.4 ft | |
| Tue 20 Oct 2026 | High | 6.5 ft | |
| Tue 20 Oct 2026 | Low | 1.5 ft | |
| Tue 20 Oct 2026 | High | 6.7 ft | |
| Wed 21 Oct 2026 | Low | 1.2 ft | |
| Wed 21 Oct 2026 | High | 6.9 ft | |
| Wed 21 Oct 2026 | Low | 1.1 ft | |
| Wed 21 Oct 2026 | High | 6.9 ft | |
| Thu 22 Oct 2026 | Low | 1.0 ft | |
| Thu 22 Oct 2026 | High | 7.4 ft | |
| Thu 22 Oct 2026 | Low | 0.6 ft | |
| Thu 22 Oct 2026 | High | 7.2 ft | |
| Fri 23 Oct 2026 | Low | 0.7 ft | |
| Fri 23 Oct 2026 | High | 8.0 ft | |
| Fri 23 Oct 2026 | Low | 0.0 ft | |
| Fri 23 Oct 2026 | High | 7.6 ft | |
| Sat 24 Oct 2026 | Low | 0.4 ft | |
| Sat 24 Oct 2026 | High | 8.5 ft | |
| Sat 24 Oct 2026 | Low | -0.4 ft | |
| Sat 24 Oct 2026 | High | 7.8 ft | |
| Sun 25 Oct 2026 | Low | 0.1 ft | |
| Sun 25 Oct 2026 | High | 9.0 ft | |
| Sun 25 Oct 2026 | Low | -0.8 ft | |
| Sun 25 Oct 2026 | High | 8.0 ft |
Station facts
- Position
- 40.8346° N, 73.6524° W
- Time zone
- America/New_York
- Datum
- MLLW datum · computed from harmonic constituents
- Region
- NY, United States
Heights are measured above chart datum. A negative height means there is that much less water than the charted depth shows.
Slackwater database (https://github.com/openwatersio/slackwater-database)
How we check predictions — dated samples and their limits.
Nearby
- Glen CoveHempstead Harbor1.7 nm N
- Port WashingtonManhasset Bay2.3 nm W
- East Creek at Sands Point3.2 nm NW
- West Pond at Glen Cove3.3 nm NNE
- Frost Creek at Sheep Ln Bridge at Lattingtown5.0 nm NNE
- Kings Point5.3 nm WSW